Analysis

  • max time kernel
    150s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18/04/2022, 10:55

General

  • Target
    49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe
  • Size 890KB
  • Sample220418-m1ec5sccel
  • SHA256 49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main Payload 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe
    "C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe
      "C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe"
      2⤵
        PID:1524
      • C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe
        "C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe"
        2⤵
          PID:5020
        • C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe
          "C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe"
          2⤵
            PID:2344
          • C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe
            "C:\Users\Admin\AppData\Local\Temp\49a3c92fab71efc302c61b68c9286cab4e867bb296a1b6178a2aa0f7a614509f.exe"
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3792

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              memory/3792-140-0x0000000000400000-0x0000000000486000-memory.dmp

              memory/4808-130-0x00000000008B0000-0x0000000000994000-memory.dmp

              memory/4808-131-0x00000000053A0000-0x000000000543C000-memory.dmp

              memory/4808-132-0x00000000059F0000-0x0000000005F94000-memory.dmp

              memory/4808-133-0x0000000005440000-0x00000000054D2000-memory.dmp

              memory/4808-134-0x0000000005340000-0x000000000534A000-memory.dmp

              memory/4808-135-0x0000000005670000-0x00000000056C6000-memory.dmp